參數(shù)資料
型號(hào)： EFM32TG108F32
廠商： Energy Micro
文件頁數(shù)： 2/136頁
文件大?。?/td> 0K
描述： MCU 32BIT 32KB FLASH 24-QFN
特色產(chǎn)品： EFM32 Tiny Gecko
標(biāo)準(zhǔn)包裝： 1
系列： Tiny Gecko
核心處理器： ARM? Cortex?-M3
芯體尺寸： 32-位
速度： 32MHz
連通性： EBI/EMI，I²C，IrDA，智能卡，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，DMA，POR，PWM，WDT
輸入/輸出數(shù)： 17
程序存儲(chǔ)器容量： 32KB（32K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 2x12b，D/A 1x12b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 24-VQFN 裸露焊盤
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： 914-1032-6
...the world's most energy friendly microcontrollers
2011-02-04 - d0002_Rev1.00
10
www.energymicro.com
2.1.3.5.2 Interrupt Program Status Register
The IPSR contains the exception type number of the current Interrupt Service Routine (ISR). See the
register summary in Table 2.2 (p. 7) for its attributes. The bit assignments are:
Table 2.5. IPSR bit assignments
Bits
Name
Function
[31:9]
-
Reserved
[8:0]
ISR_NUMBER
This is the number of the current exception:
0 = Thread mode
1 = Reserved
2 = NMI
3 = Hard fault
4 = Memory management fault
5 = Bus fault
6 = Usage fault7-10 = Reserved11 = SVCall
12 = Reserved for Debug
13 = Reserved
14 = PendSV
15 = SysTick
16 = IRQ0.
.
N = IRQ(N-16). See Table 1.1 (p. 5) for device specific
interrupt number.
see Section 2.3.2 (p. 22) for more information.
2.1.3.5.3 Execution Program Status Register
The EPSR contains the Thumb state bit, and the execution state bits for either the:
If-Then (IT) instruction
Interruptible-Continuable Instruction (ICI) field for an interrupted load multiple or store multiple
instruction.
See the register summary in Table 2.2 (p. 7) for the EPSR attributes. The bit assignments are:
Table 2.6. EPSR bit assignments
Bits
Name
Function
[31:27]
-
Reserved.
[26:25], [15:10]
ICI
Interruptible-continuable instruction bits, see Section 2.1.3.5.4 (p. 11) .
[26:25], [15:10]
IT
Indicates the execution state bits of the IT instruction, see Section 3.9.3 (p. 76) .
[24]
T
Always set to 1.
[23:16]
-
Reserved.
[9:0]
-
Reserved.
Attempts to read the EPSR directly through application software using the MSR instruction always return
zero. Attempts to write the EPSR using the MSR instruction in application software are ignored. Fault
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